<div id="bloquantB"></div>
<script type="text/javascript">
	NS4 = (document.layers) ? 1 : 0;
	IE4 = (document.all) ? 1 : 0;
	W3C = (document.getElementById) ? 1 : 0;
	var mod = document.getElementById ( "navigation" ) ;
	if ( IE4 ) { 
		var left = mod.offsetLeft + 9 ;
		var top = mod.offsetTop + 15 ;
	} else { 
		var left = mod.offsetLeft ; 
		var top = mod.offsetTop ;
	}
	var width = mod.offsetWidth ;
	var height = mod.offsetHeight ;
	setDiv ( 'bloquantB', '<iframe style="border: 0px; display: block; position: absolute; left: '+left+'px; top: '+top+'px; width: '+width+'px; height: '+height+'px; filter:alpha(opacity=50); -moz-opacity:0.5; opacity: 0.5;" ></iframe><div style="position: absolute; left: '+left+'px; top: '+top+'px; width:'+width+'px; height: '+height+'px; background-color: #CCCCCC; filter:alpha(opacity=50); -moz-opacity:0.5; opacity: 0.5; z-index:100;"></div>'+<mx:text id="div" />) ;

</script>

